[PATCH 0/3] Add ethernet0 alias for several A64 boards

Maxime Ripard maxime.ripard at free-electrons.com
Tue Jul 25 07:31:27 PDT 2017


On Tue, Jul 25, 2017 at 05:18:19AM +0200, Adam Borowski wrote:
> On Tue, Jul 25, 2017 at 11:04:24AM +0800, icenowy at aosc.io wrote:
> > 在 2017-07-24 15:58,Maxime Ripard 写道:
> > > On Sat, Jul 22, 2017 at 10:28:49AM +0800, Icenowy Zheng wrote:
> > > > Allwinner A64 SoC has an EMAC which is used to provide Ethernet
> > > > function on several boards.
> > > > 
> > > > The EMAC itself doesn't have a fixed MAC address, but the sunxi
> > > > mainline U-Boot have the ability to generate one based on the eFUSE
> > > > SID in the chip, and add the generated MAC address to the device
> > > > tree when booting.
> > > > 
> > > > The MAC address setting step is based on the device tree's aliases,
> > > > and device tree nodes prefixed "ethernet" will get the MAC address
> > > > added. However, in several A64 boards' device tree, the alias is not
> > > > set up, so that the U-Boot won't set the MAC address.
> > > > 
> > > > Add the ethernet0 aliases to these boards.
> > > > 
> > > > I hope this patchset can be queued in 4.13, otherwise 4.13 kernels
> > > > won't get non-volatile MAC addresses, and will use random ones
> > > > instead, which is annoying to many users.
> > > > 
> > > > Icenowy Zheng (3):
> > > >   arm64: allwinner: a64: add ethernet0 alias for BPi M64 EMAC node
> > > >   arm64: allwinner: a64: add ethernet0 alias for Pine64 EMAC node
> > > >   arm64: allwinner: a64: add ethernet0 alias for SoPine EMAC node
> > > 
> > > Applied all three, thanks!
> > 
> > Sorry, but could you queue them to 4.13?
> > 
> > Otherwise 4.13 kernel release will have annoying random MAC problem,
> > which heavily affects headless usages.
> 
> Perhaps it would be better to reword the commit subject as "fix missing
> ethernet0 alias ..."?  That'd convey that the previous behaviour is a defect
> that needs these patches as a fix.

Yes, definitely.

That and having a fixes: tag.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 801 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20170725/62f64eb0/attachment.sig>


More information about the linux-arm-kernel mailing list